package org.apache.ddlutils.io.converters;

        /*
         * Licensed to the Apache Software Foundation (ASF) under one
         * or more contributor license agreements.  See the NOTICE file
         * distributed with this work for additional information
         * regarding copyright ownership.  The ASF licenses this file
         * to you under the Apache License, Version 2.0 (the
         * "License"); you may not use this file except in compliance
         * with the License.  You may obtain a copy of the License at
         *
         *   http://www.apache.org/licenses/LICENSE-2.0
         *
         * Unless required by applicable law or agreed to in writing,
         * software distributed under the License is distributed on an
         * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
         * KIND, either express or implied.  See the License for the
         * specific language governing permissions and limitations
         * under the License.
         */

import org.apache.commons.beanutils.ConvertUtils;

import java.math.BigDecimal;
import java.sql.Types;

/**
 * Converts between the various number types (including boolean types) and {@link java.lang.String}.
 *
 * @version $Revision: 289996 $
 */
public class NumberConverter implements SqlTypeConverter {
    /**
     * {@inheritDoc}
     */
    public Object convertFromString(String textRep, int sqlTypeCode) throws ConversionException {
        if (textRep == null) {
            return null;
        } else {
            Class targetClass = null;

            switch (sqlTypeCode) {
                case Types.BIGINT:
                    targetClass = Long.class;
                    break;
                case Types.BIT:
                case Types.BOOLEAN:
                    targetClass = Boolean.class;
                    break;
                case Types.DECIMAL:
                case Types.NUMERIC:
                    targetClass = BigDecimal.class;
                    break;
                case Types.DOUBLE:
                case Types.FLOAT:
                    targetClass = Double.class;
                    break;
                case Types.INTEGER:
                    targetClass = Integer.class;
                    break;
                case Types.REAL:
                    targetClass = Float.class;
                    break;
                case Types.SMALLINT:
                case Types.TINYINT:
                    targetClass = Short.class;
                    break;
            }
            return targetClass == null ? textRep : ConvertUtils.convert(textRep, targetClass);
        }
    }

    /**
     * {@inheritDoc}
     */
    public String convertToString(Object obj, int sqlTypeCode) throws ConversionException {
        if (obj == null) {
            return null;
        } else if (sqlTypeCode == Types.BIT) {
            return ((Boolean) obj).booleanValue() ? "1" : "0";
        } else {
            return obj.toString();
        }
    }
}
